STM8 MCUs

Need help: can't get my stm8 I2C slave code to interrupt

I am writing from an esp32 I2C master to a stm8s103f mcu. My scope shows the esp is sending a clean read addr byte onto the scl/sda pins (PB4/PB5). But the stm8 is not running my interrupt routine. I have a gpio pin that should toggle when the interr...

Using external editor (like vscode) with stvd?

I've been using vscode as my editor since the one in stvd seems to have features from 15 years ago. I have files also open in stvd since clicking on errors opens files. This means that when I switch to stvd from vscode I get the warning about files...

STM802 supervisor: disable the watchdog

I would like to use the STM802 as a supervisor but I need to disable the watch dog intervention in certain conditions (for example firmware update).The manual says that the WDI pin cannot be left floating to block WD intervention.Is there any other w...

UART Rx does not work sometimes

Hi there! I am using STM8s for UART communication but recently I found that UART Rx does not work sometimes. I am using UART Idle interrupt for Rx at this moment. Could someone suggest a way to me for debugging?Cheers,Morris

STM8 controller with SEMTECH SX1231 transiever

Hi,Good day everyone.I am trying to setup SEMTECH SX1231 transiever to send and recieve RF packets by having SPI connection between SX1231 and STM8 controller. Its getting really hard to achieve this because of unknown configurations. Has anyone achi...

not able to debug using st-link v2 for stm8s105c6 controller

Hello, I am getting the below error. I am using the eclipse workspace for debugging. xPack OpenOCD x86_64 Open On-Chip Debugger 0.11.0+dev (2021-10-16-21:19)Licensed under GNU GPL v2For bug reports, read http://openocd.org/doc/doxygen/bugs.htmlError:...

STM8S103F3 IINJ(Injected current on any other pin) and True Open Drain

​Excuse me, set the GPIO(Pin B5) corner to True Open Drain and whether to allow Inject current on any other pin(+-4mA)?

Interrupt Handler execute issue on NUCLEO-8S208RB

I downloaded the blink LED demo from ST and loaded in that nucleo board to check out how things worked, soon I found out that every time when I pressed the "USER" Button (Connected to PE4), It won't be able to successfully switch to next blink patter...

I use STM8L152 in my PCBA. Since I don't use LCD function, so I don't connect anything to pin9 VLCD and I don't set any LCD register in my firmware. Is there any thing must be configured with pin9 VLCD for normal use of STM8L152?